baber/WOPTO huggingface dataset:
Patent GB-1244178-A (GB)
Title: Improvements relating to the open-end spinning of textile yarns
IPC: D01H4/08
Filed: 1968-03-14
Abstract: 1,244,178. Break spinning. T.M.M. (RESEARCH) Ltd. 14 March, 1969 [14 March, 1968], No. 12439/68, Heading DID. Yarn is break spun by forming a double twist balloon of the yarn, passing discrete fibres 11 from the outside to the inside of the balloon, collecting the fibres within the balloon and twisting them into the end of the yarn forming the double twist balloon. As shown, an airborne stream of fibres is passed through duct 12 into rotary tube 15 and are collected on stationary perforated cone 17. The cone 17 has suction applied thereto via centrifugal fan ducts 21, or via a double wall in tube 15. The fibres deposited on cone 17 are twisted out to the end of yarn 26 which is rotated and formed into a balloon by passing it through opening 23 in the rotating tube. The cone may be replaced by an inclined perforated screen. In Fig. 2 (not shown) the yarn (41) is withdrawn through the apex of the cone and formed into a double twist balloon, the yarn being passed through a similar wall opening in a rotating tube (31) to form the double twist balloon. The stream of fibres pass counter-currently to the yarn through this tube toward the cone. In Fig. 3 (not shown), the yarn is withdrawn from a fibre collecting cavity in rotor (54) of an electric motor, the yarn being passed through a similar wall opening in a rotating tube (51) to form the double twist balloon. The balloon passes between the rotor (54) and the stator of the electric motor. The rotor (54) can rotate in the opposite direction to the balloon so as to insert additional twist into the yarn. The stream of fibres pass to the rotor (54) via a duct (56) in the rotating tube (51). Suction is provided to the end of the fibre duct (56) in the fibre collecting cavity by enclosing the spinning device in an air-tight housing which is subject to suction. In the above embodiments a false twist device may be provided adjacent the apex of the balloon, and the yarn in the balloon may be guided through a duct.
Patent GB-445813-A (GB)
Title: Improved lubricating oil compositions
IPC: C10M159/18
Filed: 1935-04-26
Abstract: Organo-metallic compounds containing 2 or more linked metal atoms of groups 2--5 of the periodic system are used as antioxidants of lubricants.  The metal atoms and the organic groups may be the same or different, and hydrogen atoms may be used instead of some of the organic groups.  Metals specified are mercury, cadmium, zinc, thallium, lead, tin, bismuth, arsenic, antimony, and germanium. Suitable groups are methyl, ethyl, propyl, isopropyl, butyl, isobutyl, amyl, phenyl, naphthyl, cresyl, and -naphthyl; they may be hydrogenated, or substituted, e.g. by hydroxy, sulphur, amino, or iodine or other halogen group. Compounds specified are trimethyl-triphenyl-tin, hexaphenyl-tin, tetracresyl-bismuth, tetramethyl-mercury, hexaphenyl-lead, trimethyl-tin-triphenyl-lead, triethyl - tin - diphenyl - bismuth, tripropyl - tin-dicresyl - antimony, dinaphthyl - bismuth - dicresyl - arsenic, diphenyl - bismuth - diisopropyltin - dicresyl - arsenic, trimethyl - tin - diphenylthallium.  They are preferably prepared by reacting alkali- and halogen-organo-metal compounds in solution in liquid ammonia or low-boiling amines at below 0 DEG  C., -20 DEG  C. or -30 DEG  C.; e.g. (C H3)3SnNa + (C6H5)3Sn Cl = (CH3)3Sn Sn(C6H5)3 + NaCl.ALSO:Lubricants for motors, turbines, flushing, and high-temperature work generally are composed of a hydrocarbon oil or grease and a small proportion of a metallo-organic compound containing 2 or more linked metal atoms of groups 2--5 of the periodic system. They may also contain pour-point depressors, oiliness agents, dyes, extreme pressure agents, thickeners, sludge dispersers, or other customary addition.  The metal atoms and the organic groups may be the same or different, and hydrogen atoms may be used instead of some of the organic groups.  Metals specified are mercury, cadmium, zinc, thallium, lead, tin, bismuth, arsenic, antimony and germanium.  Suitable groups are methyl, ethyl, propyl, isopropyl, butyl, isobutyl, amyl, phenyl, naphthyl, cresyl, isopropyl-a -naphthyl; they may be hydrogenated or substituted as by hydroxy, sulphur, amino, or iodine or other halogen group.  Usually 0,01--0,5 per cent of the following compounds alone or mixed is added to the oil or grease direct or as a solution in benzol or toluol: trimethyl-triphenyl-tin, hexaphenyl-tin, tetracresyl-bismuth, tetramethyl-mercury, hexaphenyl-lead, trimethyl-tin-triphenyl-lead, triethyl-tin-diphenyl-bismuth, tripropyl-tin-dicresyl-antimony dinaphthyl-bismuth - dicresyl - arsenic, diphenyl - bismuth - diisopropyl - tin - dicresyl arsenic, trimethyl - tin - diphenyl - thallium.  These compounds are preferably prepared by reacting alkali- and halogenorgano-metal compounds in solution in liquid ammonia or low-boiling amines at below 0 DEG  C., -20 DEG  C., or -30 DEG  C.; e.g. (CH3)3SnNa + (C6H5)3\t SnCl =   (CH3)3Sn--Sn(C6H5)3 + NaCl.
Patent GB-617065-A (GB)
Title: Improvements in torsiographs or the like
IPC: G01L3/10
Filed: 1945-05-18
Abstract: 617,065. Electric measuring systems. SQUIRES, M., MITCHELL, J. H., and BRECHNER, D. May 18, 1945, No. 12572. [Class 40 (i)] [Also in Groups XIX and XXXVI] A torsiograph for indicating or recording torque and torsional vibrations, as represented by rectangular wave electrical pulses, comprises a frequency selective device to average the pulses and provide a potential level, which is a measure of the instantaneous torque, suitable for indicating or recording by a cathode-ray oscillograph. The rectangular wave electrical pulses are derived, as described in Specification 617,064, from a multivibrator O (Fig. 5), the mean values of the outputs of the multivibrator being equal when there is no torque and the one increasing as the other decreases when torque is applied. Each output is referred to earth potential by means of a resistance - capacitydiode circuit 2, 1, 3, the condenser also serving as an isolator, and is then fed through one or more low-pass filters F1, F2, which average the pulses and provide a potential level which is a measure of the instantaneous torque. The outputs of the two filter circuits are then amplified by valves A1, A2 and fed symmetrically to a cathode-ray oscillograph. The gain of each amplifier is pre-arranged by means of a negative feed-back resistance 4 and may also be adjustable through suitable attenuators. The fluorescent spot will be displaced to one side or the other of an imaginary datum line D/L by an amount proportional to the steady torque and will form a fluctuating trace T corresponding to the torsional vibrations. A resistancecapacity coupling 8, 9 may be inserted between each filter and its amplifier valve so that only the torsional vibrations will be indicated, in which case the steady torque may be measured by a moving coil instrument connected directly to the multivibrator valves. Large condensers 10 may be inserted to obtain increased gain. A permanent record of the trace may be obtained by passing a film 12 in front of the screen at right angles to the direction in which the spot is deflected, the time-base of the oscillograph being used to control the film. A second or upper limiting device (not shown) such as a diode connected to a neon voltage regulator or other source of constant voltage may be included in each circuit, in which case it is preferable to insert an isolator, such as a cathode follower valve, between the upper limiter and the multivibrator. In an alternative arrangement (Fig. 6), the pulses are referred only to the positive high-tension level of the multivibrator valves and the direct current components corresponding to the steady torque are blocked by condensers 20.
Patent GB-1430197-A (GB)
Title: Conductor rail mountings
IPC: B60M1/30
Filed: 1973-03-15
Abstract: 1430197 Springs; resilient mountings ACIERIES DE GENNEVILLIERS 15 March 1973 [17 March 1972] 12578/73 Heading F2S [Also in Division H2] Elongate cushions 20 are interposed between a support S and a conductor rail R. Each cushion 20 comprises a filling of :resilient material such as neoprene and a cover, which is in contact with the rail R and/or the support S, of a material such as PTFE having a lower coefficient of friction, with the rail R than the filling. Thus the rail R is firmly supported laterally but is free to slide longitudinally on expansion. The cushions 20 may be clamped in metal frames (Figs. 2, and 3, not shown), in a configuration corresponding to the shape of the rail R, or may fit in slots in the suuport S (Figs. 4-7, not shown). The rail R provides electric power to a vehicle, a travelling crane, or the like. The cushions 20 may act as insulators and as vibration dampers.
Patent GB-108561-A (GB)
Title: Improvements in Lathe Chucks.
IPC: B23B31/12
Filed: 1916-09-06
Abstract: 108,561. Partridge & Co., A., and Bradshaw, J. H. Sept. 6, 1916. Chucks.-A disengaging-drive lathe chuck of the type having transversely oscillating jaws, has the body provided with recesses with semicylindrical bottoms to receive rollers c with eccentric gripping- surfaces d and arms e working in slots in a ring k loose on the chuck body. One side of each slot is formed by a stop q which forms an abutment for a closing spring l abutting at its other end against a stop r carried by the body. An auxiliary loose ring s has a cam slot x engaging a pin w carried by a pawl pivoted in a gap in the ring k. By retarding the ring k the pin w passes along the slot x enabling the pawl to engage the notch y and lock the chuck in its open position. To close the chuck, the ring s is momentarily retarded, releasing the pawl and allowing the springs l to return the ring k to the closed position. In a modification for small work, the auxiliary ring and the pawl are omitted and only one spring is employed.
Patent GB-950106-A (GB)
Title: Improvements relating to the excitation of a single-phase alternator
Inventor: RAVEN JOHN MOELWYN
IPC: H02K19/30
Filed: 1961-04-08
Abstract: 950,106. Alternators. BRUSH ELECTRICAL ENGINEERING CO. Ltd. Feb. 26, 1962 [April 8, 1961], No. 12748/61. Heading H2A. In a single phase alternator having a first field winding and a second, compounding field winding, the compounding winding is effectively connected in series with the alternator output and in parallel with a rectifier. In Fig. 3, the alternator 10 is provided with a D.C. winding connected to commutator 2 to supply a shunt field winding 1. The alternator output from slip rings 3 is connected to the load through a compounding field winding 5 which is shunted by a rectifier to by-pass alternate half-cycles, by a resistor 9 to control the current through the winding and by a capacitor 12 to reduce the peak voltage across the winding. The rectifier circuit could alternatively be connected to the output circuit via a transformer (Fig. 4, not shown) and the field winding 1 could alternatively be supplied from a rectifier connected to the A.C. output or from a separate constant voltage source.
Patent GB-377304-A (GB)
Title: Improvements in or relating to coke ovens having vertical heating flues
IPC: C10B5/02
Filed: 1931-01-16
Abstract: 377,304. Coke ovens. GAS CHAMBERS & COKE OVENS, Ltd., Artillery House, Westminster.-(Collin & Co. ; 14, Beurhausstrasse, Dortmund, Germany.) Jan. 16, 1931, No. 12787/32. Divided on 376,796. [Class 51 (ii).] In a vertically-flued coke oven in which all the flues of a heating wall operate simultaneously for upflow or downflow as described in Specification 7650/07, [Class 55, Gas manufacture], the transverse regenerators are grouped in threes, each group comprising a wide regenerator r, or r<2> flanked by two smaller ones f<1>, or f<2>. The regenerators r<1>, f<1> have direct connections p<1>, q<1> to the lower ends of the heating flues k, while the regenerators r<2>, f<2> are connected to the upper ends of the flues through passages i in the flue partitions. The wider regenerators, which are preferably used for gas, are connected to two heating walls and the narrower ones to a single wall. The regenerators may be subdivided by transverse partitions.
Patent GB-383276-A (GB)
Title: Improvements in the treatment of silk and materials made therefrom
IPC: D06M15/693
Filed: 1931-05-01
Abstract: Natural silk threads or knitted or woven articles made therefrom are coated with rubber latex, whereby defects such as laddering are counteracted.  The latex used may contain an excess of ammonia, and may be vulcanized on the silk, a vulcanizing agent being added to the latex if desired; alternatively, vulcanized latex may be used directly.  The latex may be applied by dipping or spraying, after dyeing if desired.  The Provisional Specification refers to the treatment of artificial silk.  Reference has been directed by the Comptroller to Specifications 346,511 and 348,589.
Patent GB-996149-A (GB)
Title: An apparatus for cooling granular material
IPC: F28C3/16
Filed: 1962-04-04
Abstract: 996,149. Cooling hot granular materials. H. KNAUST, and U. VON KRITTER. April 4, 1962, No. 12946/62. Heading F4B. Cooling apparatus for granular material (such as sinter or clinker) discharged from a furnace, has a helical stepped grate 8 arranged around a central cylindrical chamber 12 to which cooling air is admitted by a pipe 18 and from which air is supplied through ports 20 to the lower regions of the grate and in variable quantity as controlled by a slide or shutter 24 through ports 25 to the upper regions of the grate. The position of the slide 24 and thus the proportion of air flowing to the upper region is controlled in accordance with the exhaust gas temperature by means of a thermosensitive element 22. The grates are provided with parallel rows of holes (not shown), each covered by an inverted angle member by means of which the cooling air enters the material being cooled in a horizontal direction. Radial baffle plates ensure uniform depth of material on the grate and also that the cooling air rises through the perforations in the grates. Further baffle plates arranged side-byside adjacent to the inlet hopper 3 and the outlet shoot 17 act as air lock means to prevent loss of cooling air at these points. The apparatus is mounted for rotary to-and-fro movement on rollers 26 and acts in the manner of a shaker conveyer to convey the material downwards over the grate.
Patent GB-310475-A (GB)
Title: Improvement in non-discoloring safety glass
IPC: C03C27/10
Filed: 1929-04-26
Abstract: 310,475. Du Pont Viscoloid Co., (Assignees of Clewell, J. H.). April 26, 1298, [Convention date]. Compound transparent sheets. - To prevent discolouration of compound united sheets of glass and plastic material, the plastic material is formed with less than 12 per cent or entirely without camphor, and plasticizers or solvents are used in making the plastic sheet which are unaffected by actinic light. The plasticizers employed are the fatty acid esters of the aliphatic alcohols, the alkyl ethers of polyhydric aliphatic alcohols, and mixed ethers and esters, and the alkyl phthalates. The plastic must be mouldable at from 90‹ to 125‹ C. and when finished should have a tensile strength of 5000 to 8000 lbs. per sq. in. at 60‹ F., and the solvent used should have a boiling point above 95‹. Four examples of plastics are given :-(1) Pyroxylin 100, amylacetate 16.6, triacetin 16.6, urea 0.25; (2) pyroxylin 100, amyl acetate 33, urea 0.25; (3) pyroxylin 100, triacetin 25, urea 0.25; (4) pyroxylin 100, camphor 9.6, amyl acetate 25, urea 0.25. Other bases than pyroxylin, such as cellulose acetate, cellulose ether, and starch derivatives may be used.
Patent GB-1162482-A (GB)
Title: Precision or Analytical Balances.
IPC: G01G23/32
Filed: 1968-03-18
Abstract: 1,162,482. Weighing apparatus. MEPAG A.G. March 18 1968 [Dec. 14, 1967], No. 13071/68. Heading G1W. [Also in Division G4] A precision or analytical balance comprises a pivotally mounted balance beam 2 supporting two scales 5, 14 for indicating weight values, one scale 5 being graduated with numbers and the other scale 14 being graduated in coded form, the balance also comprising an optical projection apparatus for each scale 5 and 14, electrical scanning apparatus for scanning the projected image of the coded scale and producing electrical signals in accordance with the information scanned, and adjusting apparatus for zeroizing the balance. As shown, the scale 5 is projected by a light source 7, lens system 8, 9 and ray deflecting members 25, 38 on to a ground glass screen 11 on which a reading mark 12 is provided while the scale 14 is projected by a light source 15, lens system 16, 17 and ray deflecting members 28, 44, 22 on to an image plate 19 which is arranged adjacent to stationary photo-cells 20, 21, 57. With no load on the weigh pan 3 a knob 31 attached to an eccentrically mounted spindle 33 is rotated so that the spindle 33 rotates levers 26, 29 to which the ray deflecting members 25, 28 are attached whereby the images of the scales 5, 14 are simultaneously zeroized on the screen 11 and plate 19, respectively. On placing a load on the weigh pan 3 the beam 2 tilts and the scales 5, 14 are projected to indicate a coarse weight value of the load against the reading mark 12 on the screen 11 and to produce a coded image 14<SP>1</SP> indicative of the coarse weight value on the plate 19. To provide an accurate weight indication a spindle 36 supporting a toothed drive member 37 and a coded scale 50 is rotated manually by a knob 35 so as to effect tilting of the deflecting member 38 by the drive member 37 until that graduation appearing on the screen 11 nearest to the mark 12 coincides with the mark, the amount of rotation of the drive member 37 being indicated digitally at a window 48 on the screen and in coded form on the plate 19 by suitable projection of the scale 50. A light deflecting member 22 arranged in the ray paths of the projected scales 14 and 50 is oscillated by a drive 24 so that the photo-cells 20, 21 and 57 are actuated by the coded images of the scales 14 and 50 to provide electric signals indicative of the weight of the load at a position remote from the balance. The various light deflecting members in the balance may be mirrors, prisms or plain parallel plates.
Patent GB-702740-A (GB)
Title: Improvements in or relating to bladed rotors for axial flow turbines and similarly bladed fluid flow machines
Inventor: GRANTHAM CYRIL
IPC: F01D5/30
Filed: 1949-08-10
Abstract: 702,740. Turbine blades. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. July 6, 1950' [Aug. 10, 1949], No. 13087/53. Divided out of 702,521. Drawings to Specification. Class 110 (3) A bladed rotor for an axial flow turbine or similarly bladed fluid flow machine has hollow blades each of which at least partly encloses a radially upstanding projection on the rotor body and each blade is positively secured to the projection only at an intermediate point on the working portion of the blade, that point being substantially spaced from the inner and outer ends of the blade working portion. The description is the same as that of Specification 702,521. Specification 702,739 also is referred to.
Patent GB-638998-A (GB)
Title: Improvements in and relating to power transmission devices
IPC: F16D37/00
Filed: 1947-05-15
Abstract: 638,998. Hydraulic clutches. RANZI, U. May 15, 1947, Nos. 13094 and 13095. Convention dates, May 15, 1946, and Nov. 19, 1946. [Class 69 (ii)] [Also in Group XXIV] The Specification as open to inspection under Sect. 91 states that in hydraulic clutches having at least one disc 3, Fig. 1; revoluble in a casing 1 containing the working fluid, the latter is continuously circulated during slip working. As shown, applied to powder clutches, opposed surfaces of the disc and casing have grooves 5, Fig. 8, oppositely inclined at every point on the opposed surfaces to the radius at that point so as to react together during slip in the usual sense between the surfaces and so to assist centrifugal force to throw the working material outward. The grooves may be straight or curved and of triangular, semicircular or rectangular cross-section. As shown in Fig. 1, in which the disc 3 is rigid with a driven shaft 4 and the casing with a driving shaft 2, return flow of the working material is provided by an inwardly diverging annular passage 6 in the disc 3, having outlet bores 7 at its inner end. Guide plates 8, 9 are provided. The clutches are uni-directional in nature since on overrunning the reaction between the grooves 5 forces the working material inwards against centrifugal force and disengages the drive. Bi-directional driving may be effected by coupling two oppositely driving clutches in parallel, with their discs mounted on the same shaft and revoluble either in a single casing with a central partition or in individual casings bolted together. A clutch similar to that of Fig. 1 is also shown having four discs arranged in parallel in a single casing with partitions extending radially between the discs to form grooved surfaces opposed to those of the discs. In a modified form, single (Fig. 9, not shown), or multiple discs 3, Fig. 10, are solid, the working material being circulated round ported diaphragms 1b rigid with the casing; and in a further modification a single disc 3, Fig. 20, grooved on one side only, is employed, the working material circulating radially round the disc via apertures 7 therein. The statement that the invention is applicable to hydraulic clutches does not appear in the Specification as accepted.
Patent GB-595218-A (GB)
Title: Improvements in and connected with pirns for spinning and weaving machines
IPC: B65H75/10
Filed: 1945-05-25
Abstract: 595,218. Bobbins &c. STONE & CO., Ltd., J., and HARDMAN, W. May 25, 1945, No. 13102. [Classes 120 (ii) and 120 (iii)] A pirn comprises a shaft and a base part made of a one-piece tubular casting from a light metal alloy, in which the shaft tapers to a diameter at the tip smaller than that of the usual wooden pirns, and is internally tapered regularly and without steps so that when the pirn is mounted upon a suitably tapered spindle, there is a clearance between pirn and spindle for the whole length above the base. As shown, the shaft a is joined to the base b by a radiused portion d; The shaft surface is roughened by being cast with a number of small projections f. Split rings c are fitted on the base b. During winding, the pirn is mounted with clearance on a spindle e, being maintained in true concentricity by engagement of the base b with elastic mounting means in the form of a rubber ring g which is sprung into a groove h' formed in a barrel part h tightly mounted on the lower part e of the spindle. A guard lip h<3> retains any yarn which becomes wound on barrel h, which is slightly tapered towards the top for the easy removal of such yarn.
Patent GB-111865-A (GB)
Title: Life-saving Apparatus.
Inventor: MAGNUS GUSTAF WILHELM
IPC: B63C9/093
Filed: 1916-09-18
Abstract: 111,865. Magnus, G .W., O'Banion, J., and Parker, E. Sept. 18, 1916. Body attachments, buoyant.-The hood 16 of a waterproof canvas &c. union garment which completely encloses the wearer is provided with a flexible breathing tube 18 adapted to be flapped horizontally by the waves so as to prevent entry of water into the suit. The back of the hood is provided with buoyant bodies, such as metallic air cells enclosed by fabric 28, for supporting the air tube above the water. The garment has leather, rubber, &c. soles, and celluloid &c. windows 17, and may be partly lined with wool or other non- conductor of heat; it is entered through a flexible portion 19, the mouth of which is drawn together by strings 21 and secured by a clamp 23.